A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure .
将合成出的具有特定结构的复合型固体碱催化剂，与溶有纯化碱木素的四氢呋喃建立起多相催化体系，对碱木素进行了多相催化羟甲基化作用。
The preparation method and technological conditions of ethylidennorbornene with the method of isomerization of vinylnorbornene are studied with the catalyst of solid super alkali.
研究了在固体超强碱催化下由乙烯降冰片烯异构化制取乙叉降冰片烯的工艺方法和条件。
The activation effect of some kinds of alkali activators for three solid wastes-water-quenching blast furnance slag, steel slag and fly-ash has been investigated in this paper.
研究了几种碱性激发剂对水淬高炉矿渣、钢渣和粉煤灰三种固体废弃物的激发效果。
The residual sludge from Licunhe wastewater treatment plant was hydrolyzed by alkali hydrolysis to extract protein at different ratio of solid to liquid at different temperature, reaction time and pH.
为充分提取污水污泥中的细胞蛋白，实现污泥的增值利用，以青岛市李村河污水处理厂剩余污泥为材料，采用碱水解法提取剩余污泥中的蛋白质。
The microstructure and composition of a high chromium cast stainless steel used in high temperature aqueous alkali with solid grains were designed.
设计了用于含有固相颗粒的高温碱介质中的新型高铬铸造不锈钢的组织及化学成分。
Poly (acrylic acid-acrylamide) -alkali metal salt complex is a new kind of solid polymer electrolytes.
聚(丙烯酸-丙烯酰胺)-碱金属盐复合物是一种新型高分子固体电解质。
In this invention, alkaline inorganic solid microcapsule is used, and the latter can slowly release strong alkali to ensure the reaction selectivity and the and capping rate.
本发明使用不含水的碱性无机固体微胶囊，可以在反应过程中缓慢释放强碱，确保反应选择性和封端率。
Outstanding alkali resistance, can be used in post-mercerized cotton solid color process.
突出的耐碱性能，可用在棉固色后丝光工艺。
Outstanding alkali resistance, can be used in post-mercerized cotton solid color process.
突出的耐碱性能，可用在棉固色后丝光工艺。
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